Starting from Sep 21, 2018, people can enjoy the most advanced iPhone Xs, iPhone Xs Max or iPhone Xs. The new iPhones have the highest pixel density of any Apple device, coming in 5.8-inch and 6.5-inch sizes. The Super Retina displays have a custom OLED design and support Dolby Vision and HDR10, meaning that you can watch 4K content on the devices. On iPhone XS Max, you’ll be able to see over 3 million pixels in videos, movies, and games.